(19)
(11) EP 2 938 577 A1

(12)

(43) Date of publication:
04.11.2015 Bulletin 2015/45

(21) Application number: 13867633.3

(22) Date of filing: 20.12.2013
(51) International Patent Classification (IPC): 
C02F 5/08(2006.01)
C23F 11/00(2006.01)
(86) International application number:
PCT/US2013/077324
(87) International publication number:
WO 2014/105763 (03.07.2014 Gazette 2014/27)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 28.12.2012 US 201213730523

(71) Applicant: Ecolab USA Inc.
St. Paul, Minnesota 55102 (US)

(72) Inventor:
  • GILL, Jasbir S.
    Naperville, Illinois 60564 (US)

(74) Representative: Godemeyer Blum Lenze Patentanwälte Partnerschaft mbB - werkpatent 
An den Gärten 7
51491 Overath
51491 Overath (DE)

   


(54) CORROSION AND FOULING MITIGATION USING NON-PHOSPHORUS BASED ADDITIVES